/Engine/Source/Runtime/MovieScene/Public/MovieSceneTimeHelpers.h
Expand the specified range by subtracting the specified amount from the lower bound, and adding it to the upper bound
namespace UE { namespace MovieScene { template<typename T> [TRange](API\Runtime\Core\Math\TRange)< T > UE::MovieScene::ExpandRange ( const [TRange](API\Runtime\Core\Math\TRange)< T > & InRange, T Amount ) } }